Tornado Watch 803

Issued

Nov 12, 2000, 5:00 PM CST (23:00 UTC)

Expired

Nov 12, 2000, 11:00 PM CST

In force

6 hr

Issued by

the Storm Prediction Center

017 
WWUS9 KMKC 122243
SEL3  

SEL3  
MKC WW 122234
TXZ000-CWZ000-130500-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 803
STORM PREDICTION CENTER NORMAN OK
434 PM CST SUN NOV 12 2000

THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS
OF

   SOUTHEASTERN TEXAS                              
   AND ADJACENT COASTAL WATERS                     

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 500 PM UNTIL 1100
PM CST.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 70 STATUTE MILES EITHER SIDE OF
A LINE FROM 35 MILES WEST OF BEEVILLE TEXAS TO 50 MILES NORTH OF
PORT ARTHUR TEXAS.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. 
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO WATCH
NUMBER 802.  WATCH NUMBER 802 WILL NOT BE IN EFFECT AFTER 500 PM
CST.

DISCUSSION...STORMS WILL CONTINUE TO DEVELOP ACROSS SOUTHEASTERN
TEXAS AHEAD OF SOUTHEASTWARD MOVING COLD FRONT. STRONG SHEAR IS
OBSERVED ON VAD WIND PROFILES AND FORECAST SOUNDINGS SHOW THE
STRONG SHEAR WILL PERSIST INTO THE EVENING HOURS...WITH A THREAT
FOR SUPERCELLS AND TORNADOES.  

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. 
MEAN STORM MOTION VECTOR 25025.

...IMY

294,0932 272,0974 291,0984 313,0943

Tornado Watches in Texas, 2000Every tornado watch in 2000

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.